Home / 10,113,655.86-13,958,210.47-5,704,286.60

Finding the Fourth Proportional to 10,113,655.86, 13,958,210.47 and 5,704,286.60

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Solution

The fourth proportional to 10,113,655.86, 13,958,210.47 and 5,704,286.60 is: 7,872,685.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,113,655.86 : 13,958,210.47 = 5,704,286.60 : x
  2. Step 2: Convert to fraction form
    10,113,655.86/13,958,210.47 = 5,704,286.60/x
  3. Step 3: Cross multiply
    10,113,655.86x = 13,958,210.47 × 5,704,286.60
  4. Step 4: Simplify right side
    10,113,655.86x = 79,621,632,944,000.70
  5. Step 5: Solve for x
    x = 79,621,632,944,000.70/10,113,655.86
  6. Step 6: Final answer
    x = 7,872,685.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.